/**
 * @author ark
 * @date 2021/3/24 14:35
 */
public class TwoIntegers {
    public int sum(int n, int m) {
        // 前置断言
        assert n >= 1 && n <= 99;
        assert m >= 1 && m <= 99;
        assert m + n < 100;

        return n + m;
    }
}
